Innovations in Hyaluronic Acid Extraction from Fish Sources: A Patent Landscape Review
Keywords:
Extraction process, Fish waste, Pharmaceutical industry, Cosmetics industry, Technological prospectionAbstract
Hyaluronic acid (HA) is a polysaccharide essential for hydration and maintenance of tissue tension, presenting significant properties due to its water retention capacity. Due to these characteristics, hyaluronic acid aroused great interest in industries, widely marketed for pharmaceutical products (treating dry eye, osteoarthritis, osteogenesis, wound healing) and cosmetics (dermal fillers). Considering the increasing production of hyaluronic acid for pharmaceutical and cosmetic formulations, safer and more sustainable alternatives are sought. HA, when extracted from fish sources, has a lower risk associated with contaminants of animal and bacterial origin. Moreover, using fish waste to valorize discarded fish and extract by-products is a commendable and appreciable aspect of this process. For this reason, this patent review aimed to identify patent documents related to extracting hyaluronic acid from fish waste. Thus, the European Patent Office, Espacenet, was used as a database for this review. After searching and screening the available patents, four documents were selected that addressed extraction methods for obtaining hyaluronic acid. The species used in the extractions described in the selected patents include tuna, swordfish, sturgeon, and lake fish. The parts of the fish used in the extraction processes were the skin, vitreous humor, arterioles, and cartilage. Combining efficient extraction methods with this raw material can result in significant innovations in producing hyaluronic acid, making obtaining a product with high added value possible.Downloads
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